A recent discussion on Slashdot outlines the issue of photographers' rights. The short form is that if you are not violating privacy, you have the right to publish pretty much any photograph you like. The long form? Download the PDF.
This document is distributed by Bert P. Krages II, Attorney at Law. He explicitly grants permission to redistribute this document:
The Photographer's Right is a downloadable guide that is loosely based on the Bust Card and the Know Your Rights pamphlet that used to available on the ACLU website. It may be downloaded and printed out using Adobe Acrobat Reader. You may make copies and carry them your wallet, pocket, or camera bag to give you quick access to your rights and obligations concerning confrontations over photography. You may distribute the guide to others ,provided that such distribution is not done for commercial gain and credit is given to the author.
The above was copied verbatim from http://www.krages.com/phoright.htm on July 31, 2006 at 12:14 PST.